Fixing commit author with broken character encoding

[Steve - Gadget Barnes]

Gregor,

If you have python3 installed you can:

1. Run python3 -mpip install -u python-hglib
2. Change directory to the one containing your checked out repo
3. run python3
4. Run the following in the python session
Import hglib
client = hglib.open()
log = client.log() # This will give you the entire history
authors = {l.author for l in log} # This will give you the set of authors (as binary objects with no encoding).
Authors # Will print out the set of authors select the odd one and copy it
Dodgy = [l.rev for l in log if l.author == b'pasted in strange one'
Dodgy # will print out the revs in question
# exit when ready
You can then use hg histedit (https://www.mercurial-scm.org/wiki/HisteditExtension) to resolve the problem locally (having made sure that all of your contributors are aware what is going) and hg push --force to overwrite the history.

Hope that is some help.

Steve

-----Original Message-----
From: Mercurial <mercurial-bounces at mercurial-scm.org> On Behalf Of Gregor Mückl
Sent: 02 May 2019 15:03
To: mercurial at mercurial-scm.org
Subject: Fixing commit author with broken character encoding

Hi!

I have a repository with a commit that I apparently made with a misconfigured mercurial instance. Specificially, my author string seems to have been broken so that my last name was mangled into something that seems to be utterly broken. I can't tell you what the string in the commit looks like because I cannot reconstruct how different clients try to convert it before displaying it...

So, whatever I try to match that particular author name in an authormap file for hg convert, I can't get it to match because I don't know (a) what the actually stored internal string looks like and (b) how to reconstruct it so that hg can match it.

Is there a way to get hg convert to do a fuzzy match or pattern match for author names? Is there at least a way to get hg to dump the log or anything else containing the raw author string *without* any potential encoding conversion?

Regards
Gregor Mückl

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